Q2 Let f(x) = 2x³ – 0.0064x² – 1.5x + 0.454 (a) Indicate that f (x) = 0 has a root in the interval [-3, 0] with |bo – a] = 1. (b) Examine which method is less iteration (i) to find the root in Q2 (a) by using Secant method. Stop iteration if |f(x;)| < 0.0005 or i >7 .

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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Q2 Let f(x) = 2x3 – 0.0064x² – 1.5x + 0.454
(a) Indicate that f(x) = 0 has a root in the interval [-3, 0] with |b, – a,| = 1.
(b) Examine which method is less iteration (i) to find the root in Q2 (a) by using Secant
method. Stop iteration if |f(x;)|< 0.0005 or i > 7 .
Transcribed Image Text:Q2 Let f(x) = 2x3 – 0.0064x² – 1.5x + 0.454 (a) Indicate that f(x) = 0 has a root in the interval [-3, 0] with |b, – a,| = 1. (b) Examine which method is less iteration (i) to find the root in Q2 (a) by using Secant method. Stop iteration if |f(x;)|< 0.0005 or i > 7 .
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